toolgrep / APIs & backend / FernTool
Alternatives to FernTool
FernTool: Free no-key JSON API for IP geolocation, WHOIS, DNS and network utilities, with an MCP server for AI agents. 8 products similar to FernTool, compared on pricing, free tier, API, MCP server, SDK and open source. 8 of 8 have a free tier, 8 of 8 have an API, 2 of 8 offer an MCP server, 1 of 8 is open source.
- GetJsonip
Free unlimited IP address and geolocation API
- FreeIPAPI
Free IP geolocation API for IPv4 and IPv6 addresses, available in JSON and XML formats.
- IP-API.com
IP Geolocation API - lookup any IP address
- BigDataCloud
IP geolocation, reverse geocoding, phone/email verification, and network intelligence APIs
- IP2Location.io
IP Geolocation API providing geolocation, proxy detection, WHOIS lookup, ASN lookup, reverse DNS, and hosted domain lookup in JSON and XML formats.
- IPGeolocation.io
IP geolocation API and downloadable IP intelligence databases with threat intelligence
- ipapi.is
IP address API for geolocation, ASN, company and abuse data, plus VPN, proxy, Tor and datacenter detection.
- Network Data Labs
IP intelligence API with geolocation, ASN/network data and risk flags
Side by side
| Product | Pricing | Free tier | API | MCP server | SDK | Open source |
|---|---|---|---|---|---|---|
| FernTool | Free | yes | yes | yes | no | — |
| GetJsonip | Freemium | yes | yes | no | no | — |
| FreeIPAPI | Freemium | yes | yes | no | no | yes |
| IP-API.com | Freemium | yes | yes | no | no | no |
| BigDataCloud | Freemium · from Free tier (10k-50k calls/month depending on package); paid plans from $29.95/month (Bronze, IP geolocation package) | yes | yes | yes | yes | no |
| IP2Location.io | Freemium · from $0 | yes | yes | yes | yes | no |
| IPGeolocation.io | Freemium · from $19/month | yes | yes | no | yes | no |
| ipapi.is | Freemium | yes | yes | no | no | no |
| Network Data Labs | Freemium | yes | yes | no | yes | no |
Facts come from each product's own website, or from its verified owner when they have edited the listing. Each product page shows when it was last verified and how it was extracted. Similarity comes from the products' descriptions.
API
curl https://toolgrep.com/api/products/ferntool/alternatives